CVE-2026-102581

MEDIUMCVSS 4.6/10

Last modified

CVE-2026-102581 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability.

Description

A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
——>= 5.2.0, < 5.2.2; >= 5.1.0, < 5.1.6; >= 5.0.0, < 5.0.9; < 4.5.13

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-102581?
A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.
How severe is CVE-2026-102581?
CVE-2026-102581 has a CVSS score of 4.6/10 (MEDIUM severity).
How do I fix CVE-2026-102581?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-102581?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST